Call of Duty: Modern Warfare 3 generated $775m in the first 5 days of sales

"Call of Duty: Modern Warfare 3 brought in $775 million in sales in its first five days on the market, gunning down the previous record.
It beat the record for five-day sales for movies and books too, Activision-Blizzard said today.
Activision-Blizzard's previous Call of Duty game held that last record. Call of Duty: Black Ops brought in $650 million in its first five days on sale, and Modern Warfare 2 brought in $550 million.
Gamers bought 6.5 million copies of Modern Warfare 3 the first day it was on sale, bringing in $400 million for Activision Blizzard. Black Ops brought in $360 million on its first day last year. Modern Warfare 2 brought in $310 million."

Source:  BusinessInsider, 17th November 2011